info directly entered into a form by person completing it. A-fast and specific D-possible errors when inputting data and poor handwriting correct data

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Questionnaire

User enters info into the format of a laid out questionaire A-accurate answers and if coded answers can be turned into results instantly D-user may misinterpret a question and poor handwriting incorrect data

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Chip and Pin

Chip in one device, and pin acknowledged y device chip is in A-secure,only 4 digits D-chips can be damaged and pins forgotten

Radio frequency ID tags applied to animals/products for identification A-chips are secure D-more expensive than bar codes and vulnerable to damage

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Barcode Scanner

Horizontal lines represent a number that coverts into information for a product A-fast identification and faster D-code can be damaged and stock database mist be kept up to date otherwise barcode obsolete